names = ["1", 2, "df"]
for name in names do
    puts "name:#{name}"
end

sum=0
for i in 1..5
    sum += i
end
puts sum

names=["a", "b", "c", "d"]
i =0
names.each do |name|
    i+=1
    if i==3
        redo
    end
    p [i, name]
end